Ailurus is an application which tells its users about tricks for enhancing their use of Ubuntu Linux. It puts tricks in tool-tip text and a "Tip of the day" window. It also displays information about the system's BIOS, motherboard, CPU, and battery. It has an interface for changing some GNOME settings. It can install and remove some applications which are not provided in the official Ubuntu apt repository. It can detect the speed of apt mirrors and find the fastest one. It can enable and disable some third party repositories.

Arkeia Network Backup Enterprise Edition for Ubuntu LTS is a completely free version of the Arkeia Network Backup software specifically for Ubuntu servers. It is available in the Ubuntu LTS (Long-Term Support) software repository. It allows an administrator to backup and restore files via a Web UI. This edition has the option to backup up to 2 machines to a 250 GB VTL or tape drive. It allows you to backup Linux machines, Windows desktops, Mac desktops, FreeBSD servers, and more.

AutoWallpaper is a cross-platform desktop wallpaper changing utility. It automatically (or manually) changes the desktop wallpaper at a specified time interval set by the user. It runs in the background with a system tray icon that is visible when the application is running. It is written in Visual C# .NET 2008 (Windows versions) and Qt 4.4.3/4.5.0 (Linux/others).

BigBlueButton is a Web conferencing system that focuses on usability, modularity, and clean design, both for the user and developer. It implements real-time sharing of voice, Web cams, desktops, slides, and chat messages to provide remote students with a high-quality learning experience. Unlike other conferencing systems, the desktop sharing works on Mac OS X, Unix, and PC computers, and there is no hard-coded limit on the number of simultaneous Web cams.

BleachBit deletes junk to recover disk space and maintain privacy. It rids your system of old junk including cache, Internet history, temporary files, unused locale files (better than localepurge), logs, and cookies. Designed for Linux systems, it wipes clean 50 applications including Adobe Reader, Bash, Firefox, Flash, OpenOffice.org, Opera, Real Player, Skype, and more. It shreds files so that they cannot be recovered, and it wipes free disk space to hide insecurely deleted files. It offers both a simple PyGTK GUI and a command line interface for automation.

Bodhi is a minimalistic, Linux desktop distribution that uses Ubuntu as its base and Enlightenment as the default window manager. Bodhi can be used on modern hardware or older hardware. The minimum system requirements are a Intel 300mhz processor or faster, 128mb of system RAM, and 1.5gb of free disk space.

Booktype makes it easier for people and organizations to collate, organize, edit, and publish books. Delivering frictionlessly to print, lulu.com, and almost any ereader, Booktype facilitates collaborative production processes, with no more lost manuscripts, overwritten Word files, awkward wikis, or cumbersome CMSes.

COMPO is a graphical design application for Ubuntu/Debian.
It allows you to design and position graphical and text
objects on defined areas of a larger page. You can use it to make business cards, labels, folded fliers, etc.
Different compositions can be placed on different target areas of the same page, and non-grid layouts are supported.